Oxomalonic acid

Names

[ CAS No. ]:
473-90-5

[ Name ]:
Oxomalonic acid

[Synonym ]:
MESOXALIC ACID
2-ketomalonic acid
Mesoxalate
Oxopropanedioic acid
2-Oxomalonsaeure
Ketomalonic acid
2-Oxomalonic acid
Oxomalonic acid
dicarboxylic ketone
2-oxopropanedioic acid

Chemical & Physical Properties

[ Density]:
1.832g/cm3

[ Boiling Point ]:
405.2ºC at 760mmHg

[ Molecular Formula ]:
C₃H₂O₅

[ Molecular Weight ]:
118.04500

[ Flash Point ]:
213ºC

[ Exact Mass ]:
117.99000

[ PSA ]:
91.67000

[ Vapour Pressure ]:
1.06E-07mmHg at 25°C

[ Index of Refraction ]:
1.504

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OX7480000

CHEMICAL NAME :: Mesoxalic acid

CAS REGISTRY NUMBER :: 473-90-5

BEILSTEIN REFERENCE NO. :: 1754123

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C3-H2-O5

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 5 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 81,1225,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 81,1225,1961

Safety Information

[ HS Code ]:
2918300090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Glycerol
tartronic acid
1,3-Dihydroxyacetone
Dibromomalonic acid
Diethyl malonate
Malonic acid
sucrose
pyrimidine-2,4,5,6(1H,3H)-tetraone
Aminomalonic acid

DownStream

tartronic acid
Glyoxylic acid
Carbon dioxide
N-Benzyltropinone
allantoin
Ammonium oxalate
thiodiacetic acid
Mercaptoacetic acid
Glycine
2-(2-PHENYLHYDRAZONO)MALONIC ACID

Customs

[ HS Code ]: 2918300090

[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%